Telephone systems and the like



Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 1 Filed Feb. 20. 1961 o wmconuxm Nov, 30, 1965 R. A. cLARK, JR

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TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 5 Filed Feb. 20. 1961 EmmNZ 95o zlto UNON www

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Nov. 30, 1965 R. A. CLARK, .JR 3,221,101

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Inventor: RobertA.C`|ork,Jr.,

Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 8 Filed Feb. 20, 1961 Flg.8.

Inventor:

Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 9 Filed Feb. 20. 1961 R. A. CLARK, JR 3,221,101

TELEPHONE SYSTEMS AND THE LIKE Filed Feb. 20. 1961 21 Sheets-Sheet 10 Fig.25

Nov. 30, 1965 R. A. CLARK, JR 3,221,101

TELEPHONE SYSTEMS AND THE LIKE Filed Feb. 20. 1961 21 Sheets-Sheet 11 25 Cent Aree 2O ,5 ZOCenAreo '5' |66 C'U'Ch @cem/:reu 248 Releclse/ Position |nsu|c|1ng Material.

Nov. 3o, 1965 R. A. CLARK, JR 3,221,101

TELEPHONE SYSTEMS AND THE LIKE Filed Feb. 20. 1961 21 Sheets-Sheet 12 Rif Inventor:

Nov. 30, 1965 RA. CLARK, JR 3,221,101

TELEPHONE SYSTEMS AND THE LIKE Filed Feb. 20. 1961 21 Sheets-Sheet 15 Figl Inventor:

Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 14.

Filed Feb. 20, 1961 nventor: oberiAClark Nov. 30, i965 Filed Feb. 20, 1961 R. A. CLARK, JR

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'Clutch Nov. 30, 1965 R. A. CLARK, .JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 16 Filed Feb. 20. 1961 First Selector Second Selector Third Selecor Nov. 30, 1965 1 R, A, CLARK, JR 3,221,101

, TELEPHONE SYSTEMS AND THE LIKE Filed Feb. 20. 1961 21 Sheets-Sheet 17 Flg.40.

293 Flg.4| Invenor:

' RoberrAClvorkJr.,

Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 18 Filed Feb. 20, 1961 Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 19 Filed Feb. 20. 1961 .562mm uzoowm E Een ...1E

Nov. 30, 1965 R. A. CLARK, JR

TELEPHONE SYSTEMS AND THE LIKE 21 Sheets-Sheet 20 Filed Feb. 20. 1961 .582mm 950mm *o can ucoowm mom Inventor: Robrt A.CIork,Jr., bw .LM/f( A 

5. A PLURAL ZONE, TIME CONTROL, PRE-PAY TELEPHONE STATION CONSTITUTED TO ESTABLISH TALING CONNECTIONS TO CALLED STATIONS WHICH ARE INCLUDED IN A PLURALITY OF ZONES HAVING DIFFERENT BASE PRE-PAY AMOUNTS FROM SUCH PRE-PAY STATION, INCLUDING; MEANS TO RECEIVE AND COUNT COINS; ESCROW MEANS TO HOLD THE COUNTED COINS; MEANS TO DIAL THE EXCHANGE OF THE CALLED STATION TO PRODUCE PULSES IDENTIFYING SAID EXCHANGE; MEANS INCLUDING MEANS RESPONSIVE TO SAID PULSES CONSTITUTED TO DETERMINE THE ZONE WHICH INCLUDES SAID EXCHANGE; MEANS TO ESTABLISH A LOCAL CIRCUIT CORRESPONDING TO SAID ZONE; MEANS INCLUDING SAID LOCAL CIRCUIT TO COMPARE THE VALUE OF THE COINS TO RECEIVED AND COUNTED, WITH THE BASE PRE-PAY RATE OF THE ZONE; MEANS TO RETURN THE COINS WHEN THE COUNTED VALUE THEREOF IS LESS THAN SAID BASE PRE-PAY RATE FOR SAID ZONE; AND MEANS TO RETAIN THE COINS IN THE ESCROW MEANS WHEN THE VALUE THEREOF IS AT LEAST EQUAL TO THE BASE PRE-PAY RATE OF SAID ZONE. 